Tobii proves that eye tracking is VR's next killer feature

There are plenty of ways virtual reality headsets could get better. They could offer higher-resolution screens (like the new Vive Pro), a wider field of view and improved built-in tracking sensors. But another feature might be even more essential: eye tracking. It's not a new concept -- we've been following FOVE's eye-tracking headset, as well as 7Invensun's Vive accessory, for a few years now. But it seems more important than ever as consumer VR winds up.